<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="资源编号" prop="id">
        <el-input
          v-model="queryParams.id"
          placeholder="请输入资源编号"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="资源名称" prop="curriculumName">
        <el-input
          v-model="queryParams.curriculumName"
          placeholder="请输入资源名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
        >搜索
        </el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
        >重置
        </el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['project:courseCurriCulum:add']"
        >新增
        </el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['project:courseCurriCulum:edit']"
        >修改
        </el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['project:courseCurriCulum:remove']"
        >删除
        </el-button
        >
        <el-button
          type="primary"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleToChapter"
        >配置资源
        </el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="courseCurriCulumList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="课程资源编号" align="center" prop="id"/>
      <el-table-column label="资源名称" align="center" prop="curriculumName"/>
      <el-table-column
        label="备注"
        align="center"
        prop="remark"
        :show-overflow-tooltip="true"
      />
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleChapter(scope.row)"
            v-hasPermi="['project:courseCurriCulum:edit']"
          >查看资源
          </el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['project:courseCurriCulum:edit']"
          >修改
          </el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['project:courseCurriCulum:remove']"
          >删除
          </el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改课程资源对话框 -->
    <el-dialog
      :title="title"
      :visible.sync="open"
      width="500px"
      append-to-body
      :close-on-click-modal="false"
    >
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="资源名称" prop="curriculumName">
          <el-input
            v-model="form.curriculumName"
            placeholder="请输入资源名称"
          />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input
            v-model="form.remark"
            type="textarea"
            :autosize="{ minRows: 3 }"
            placeholder="请输入备注"
          />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <!-- 配置章节对话框 -->
    <el-dialog
      title="配置课程章节"
      :visible.sync="openChapter"
      width="900px"
      append-to-body
      :close-on-click-modal="false"
    >
      <chapter @chapter="getChapter"/>
    </el-dialog>

    <!-- 章节详情对话框 -->
    <el-dialog
      title="配置课程章节"
      :visible.sync="openChapterDetail"
      width="900px"
      append-to-body
      :close-on-click-modal="false"
    >
      <CurriculumChapter :detailId="detailId"/>
    </el-dialog>
  </div>
</template>

<script>
import {
  listCourseCurriCulum,
  getCourseCurriCulum,
  delCourseCurriCulum,
  addCourseCurriCulum,
  updateCourseCurriCulum,
  configChapter,
} from "./api.js";
import chapter from "../courseChapter/chapter.vue";
import CurriculumChapter from "../courseCurriculumChapter/index.vue";

import {getToken} from "@/utils/auth";

export default {
  name: "CourseCurriCulum",
  components: {
    chapter,
    CurriculumChapter,
  },
  data() {
    return {
      openChapter: false,
      openChapterDetail: false,
      detailId: null,
      // 用户导入参数
      upload: {
        // 是否显示弹出层（用户导入）
        open: false,
        // 弹出层标题（用户导入）
        title: "",
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: {Authorization: "Bearer " + getToken()},
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/project/courseCurriCulum/import",
      },
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 课程资源表格数据
      courseCurriCulumList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        curriculumName: null,
        remark: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        curriculumName: [
          {required: true, message: "资源名称不能为空", trigger: "blur"},
        ],
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 配置章节按钮操作 */
    handleToChapter(row) {
      this.openChapter = true;
      this.detailId = row.id || this.ids;
    },
    /** 配置章节 */
    getChapter(ids) {
      for (let i = 0; i < ids.length; i++) {
        const chapterForm = {
          curriculumId: this.detailId[0],
          chapterId: ids[i],
        };
        configChapter(chapterForm);
      }
      this.openChapter = false;
      this.resetQuery();
      this.$message({
        message: "配置成功",
        type: "success",
      });
    },
    /** 章节详情 */
    handleChapter(row) {
      this.openChapterDetail = true;
      this.detailId = row.id;
    },

    /** 查询课程资源列表 */
    getList() {
      this.loading = true;
      listCourseCurriCulum(this.queryParams).then((response) => {
        this.courseCurriCulumList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        curriculumName: null,
        remark: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加课程资源";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getCourseCurriCulum(id).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改课程资源";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updateCourseCurriCulum(this.form).then((response) => {
              this.open = false;
              this.getList();
            });
          } else {
            addCourseCurriCulum(this.form).then((response) => {
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal
        .confirm('是否确认删除编号为"' + ids + '"的数据项？')
        .then(function () {
          return delCourseCurriCulum(ids);
        })
        .then(() => {
          this.getList();
        })
        .catch(() => {
        });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "project/courseCurriCulum/export",
        {
          ...this.queryParams,
        },
        `courseCurriCulum_${new Date().getTime()}.xlsx`
      );
    },
    /** 导入按钮操作 */
    handleImport() {
      this.upload.title = "导入excel";
      this.upload.open = true;
    },
    /** 下载模板操作 */
    importTemplate() {
      this.download(
        "project/courseCurriCulum/importTemplate",
        {},
        `courseCurriCulum_${new Date().getTime()}.xlsx`
      );
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.open = false;
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
      this.$alert(response.msg, "导入结果", {dangerouslyUseHTMLString: true});
      this.getList();
    },
    // 提交上传文件
    submitFileForm() {
      this.$refs.upload.submit();
    },
  },
};
</script>
